Land Information New Zealand admit there's a risk the invasive hornwort weed could spread from Lake Karāpiro to the South Island with the Maadi cup starting next month.

New Zealand biosecurity says it's up against it trying to keep the country's worst invasive weed under control in Lake Karapiro. Land Information NZ Biosecurity Manager Tracey Burton spoke to Paddy ...

Published in the journal, Nature Plants, recent research into Anthoceros agrestis, an emerging model species of hornwort, ...

Photo / NZME Lake Wiritoa near Whanganui will be treated with herbicide to tackle the invasive hornwort plant. Whanganui District Council contractors undertake the treatment every two years ...